Just like it says on the Javadoc: https://docs.oracle.com/javase/7/docs/api/java/util/ConcurrentModificationException.html
One piece of code must be reading while another is writing on the collection. Gary On Thu, Dec 28, 2017 at 11:21 AM, durairaj t <durairaj....@gmail.com> wrote: > Hi All, > > I'm using comm.coll4 with JBOSS EAP sever 7.0 runtime and getting the below > error, > > I don't know whats going on, Any help? > > > Error Message: > ______________ > > Caused by: java.util.ConcurrentModificationException > at org.apache.commons.collections4.map.AbstractLinkedMap$LinkIt > erator.nextEntry(AbstractLinkedMap.java:552) > at org.apache.commons.collections4.map.AbstractLinkedMap$LinkMa > pIterator.next(AbstractLinkedMap.java:357) > at org.apache.commons.collections4.map.AbstractHashedMap.doWrit > eObject(AbstractHashedMap.java:1233) > at org.apache.commons.collections4.map.LinkedMap.writeObject( > LinkedMap.java:124) > at sun.reflect.GeneratedMethodAccessor36.invoke(Unknown Source) > at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe > thodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at org.jboss.marshalling.reflect.SerializableClass.callWriteObj > ect(SerializableClass.java:271) > at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa > bleObject(RiverMarshaller.java:976) > at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri > verMarshaller.java:854) > at org.jboss.marshalling.river.RiverMarshaller.doWriteFields(Ri > verMarshaller.java:1032) > at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa > bleObject(RiverMarshaller.java:988) > at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa > bleObject(RiverMarshaller.java:967) > at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa > bleObject(RiverMarshaller.java:967) > at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa > bleObject(RiverMarshaller.java:967) > at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa > bleObject(RiverMarshaller.java:967) > at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa > bleObject(RiverMarshaller.java:967) > at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa > bleObject(RiverMarshaller.java:967) > at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri > verMarshaller.java:854) > at org.jboss.marshalling.river.RiverMarshaller.doWriteFields(Ri > verMarshaller.java:1032) > at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa > bleObject(RiverMarshaller.java:988) > at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri > verMarshaller.java:854) > at org.jboss.marshalling.river.BlockMarshaller.doWriteObject(Bl > ockMarshaller.java:65) > at org.jboss.marshalling.river.BlockMarshaller.writeObject(Bloc > kMarshaller.java:56) > at org.jboss.marshalling.MarshallerObjectOutputStream.writeObje > ctOverride(MarshallerObjectOutputStream.java:50) > at org.jboss.marshalling.river.RiverObjectOutputStream.writeObj > ectOverride(RiverObjectOutputStream.java:179) > at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344) > at java.util.concurrent.CopyOnWriteArrayList.writeObject(CopyOn > WriteArrayList.java:972) > at sun.reflect.GeneratedMethodAccessor44.invoke(Unknown Source) > at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe > thodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at org.jboss.marshalling.reflect.SerializableClass.callWriteObj > ect(SerializableClass.java:271) > at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa > bleObject(RiverMarshaller.java:976) > at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri > verMarshaller.java:854) > at org.jboss.marshalling.river.RiverMarshaller.doWriteFields(Ri > verMarshaller.java:1032) > at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa > bleObject(RiverMarshaller.java:988) > at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri > verMarshaller.java:854) > at org.jboss.marshalling.river.RiverMarshaller.doWriteFields(Ri > verMarshaller.java:1032) > at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa > bleObject(RiverMarshaller.java:988) > at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa > bleObject(RiverMarshaller.java:967) > at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa > bleObject(RiverMarshaller.java:967) > at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri > verMarshaller.java:854) > at org.jboss.marshalling.river.BlockMarshaller.doWriteObject(Bl > ockMarshaller.java:65) > at org.jboss.marshalling.river.BlockMarshaller.writeObject(Bloc > kMarshaller.java:56) > at org.jboss.marshalling.MarshallerObjectOutputStream.writeObje > ctOverride(MarshallerObjectOutputStream.java:50) > at org.jboss.marshalling.river.RiverObjectOutputStream.writeObj > ectOverride(RiverObjectOutputStream.java:179) > at java.io.ObjectOutputStream.writeObject(ObjectOutputStream.java:344) > at java.util.concurrent.ConcurrentHashMap.writeObject(Concurren > tHashMap.java:1413) > at sun.reflect.GeneratedMethodAccessor43.invoke(Unknown Source) > at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMe > thodAccessorImpl.java:43) > at java.lang.reflect.Method.invoke(Method.java:498) > at org.jboss.marshalling.reflect.SerializableClass.callWriteObj > ect(SerializableClass.java:271) > at org.jboss.marshalling.river.RiverMarshaller.doWriteSerializa > bleObject(RiverMarshaller.java:976) > at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri > verMarshaller.java:854) > at org.jboss.marshalling.AbstractObjectOutput.writeObject(Abstr > actObjectOutput.java:58) > at org.jboss.marshalling.AbstractMarshaller.writeObject(Abstrac > tMarshaller.java:111) > at org.wildfly.clustering.marshalling.jboss.SimpleMarshalledVal > ue.getBytes(SimpleMarshalledValue.java:76) > at org.wildfly.clustering.marshalling.jboss.SimpleMarshalledVal > ueExternalizer.writeObject(SimpleMarshalledValueExternalizer.java:49) > at org.wildfly.clustering.marshalling.jboss.SimpleMarshalledVal > ueExternalizer.writeObject(SimpleMarshalledValueExternalizer.java:34) > at org.wildfly.clustering.infinispan.spi.marshalling.AdvancedEx > ternalizerAdapter.writeObject(AdvancedExternalizerAdapter.java:49) > at org.infinispan.marshall.core.ExternalizerTable$ForeignExtern > alizerAdapter.writeObject(ExternalizerTable.java:534) > at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri > verMarshaller.java:138) > at org.jboss.marshalling.AbstractObjectOutput.writeObject(Abstr > actObjectOutput.java:58) > at org.jboss.marshalling.AbstractMarshaller.writeObject(Abstrac > tMarshaller.java:111) > at org.infinispan.marshall.exts.ReplicableCommandExternalizer.w > riteCommandParameters(ReplicableCommandExternalizer.java:66) > at org.infinispan.marshall.exts.ReplicableCommandExternalizer.w > riteObject(ReplicableCommandExternalizer.java:51) > at org.infinispan.marshall.exts.ReplicableCommandExternalizer.w > riteObject(ReplicableCommandExternalizer.java:39) > at org.infinispan.marshall.core.ExternalizerTable$ExternalizerA > dapter.writeObject(ExternalizerTable.java:485) > at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri > verMarshaller.java:138) > at org.jboss.marshalling.AbstractObjectOutput.writeObject(Abstr > actObjectOutput.java:58) > at org.jboss.marshalling.AbstractMarshaller.writeObject(Abstrac > tMarshaller.java:111) > at org.infinispan.marshall.exts.ReplicableCommandExternalizer.w > riteCommandParameters(ReplicableCommandExternalizer.java:66) > at org.infinispan.marshall.exts.CacheRpcCommandExternalizer.mar > shallParameters(CacheRpcCommandExternalizer.java:128) > at org.infinispan.marshall.exts.CacheRpcCommandExternalizer.wri > teObject(CacheRpcCommandExternalizer.java:112) > at org.infinispan.marshall.exts.CacheRpcCommandExternalizer.wri > teObject(CacheRpcCommandExternalizer.java:68) > at org.infinispan.marshall.core.ExternalizerTable$ExternalizerA > dapter.writeObject(ExternalizerTable.java:485) > at org.jboss.marshalling.river.RiverMarshaller.doWriteObject(Ri > verMarshaller.java:138) > at org.jboss.marshalling.AbstractObjectOutput.writeObject(Abstr > actObjectOutput.java:58) > at org.jboss.marshalling.AbstractMarshaller.writeObject(Abstrac > tMarshaller.java:111) > at org.infinispan.commons.marshall.jboss.AbstractJBossMarshalle > r.objectToObjectStream(AbstractJBossMarshaller.java:72) > at org.infinispan.marshall.core.VersionAwareMarshaller.objectTo > Buffer(VersionAwareMarshaller.java:77) > at org.infinispan.commons.marshall.AbstractMarshaller.objectToB > uffer(AbstractMarshaller.java:41) > at org.infinispan.commons.marshall.AbstractDelegatingMarshaller > .objectToBuffer(AbstractDelegatingMarshaller.java:85) > at org.infinispan.remoting.transport.jgroups.MarshallerAdapter. > objectToBuffer(MarshallerAdapter.java:23) > at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDis > patcher.marshallCall(CommandAwareRpcDispatcher.java:256) > at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDis > patcher.processSingleCall(CommandAwareRpcDispatcher.java:274) > at org.infinispan.remoting.transport.jgroups.CommandAwareRpcDis > patcher.invokeRemoteCommand(CommandAwareRpcDispatcher.java:130) > ... 60 more > Caused by: an exception which occurred: > in field children > in field reporter > in field messages > in field feedbackMessages > in object java.util.concurrent.ConcurrentHashMap@2accdfac > in object org.wildfly.clustering.marshalling.jboss.SimpleMarshalledVal > ue@2accdfac > in object org.infinispan.commands.write.PutKeyValueCommand@62e75532 > in object org.infinispan.commands.remote.SingleRpcCommand@bfef9aa >
